Home / 205,639.43-283,783.16-119,619.05

Finding the Fourth Proportional to 205,639.43, 283,783.16 and 119,619.05

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Solution

The fourth proportional to 205,639.43, 283,783.16 and 119,619.05 is: 165,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,639.43 : 283,783.16 = 119,619.05 : x
  2. Step 2: Convert to fraction form
    205,639.43/283,783.16 = 119,619.05/x
  3. Step 3: Cross multiply
    205,639.43x = 283,783.16 × 119,619.05
  4. Step 4: Simplify right side
    205,639.43x = 33,945,870,885.33
  5. Step 5: Solve for x
    x = 33,945,870,885.33/205,639.43
  6. Step 6: Final answer
    x = 165,074.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.